Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG6ID/ZYk/t4Wzzg9d/ySVZwGCVhx9b3mUaq3JrCzFLrTquBfO63iZKKfL1… (844 chars)"
  }
}